TY  - BOOK
AU  - Hyman, Libbie Henrietta
TI  - The Invertebrates: Platyhelminthes and Rhynchocoela The acoelomate Bilateria, Volume II
U1  - 591 
PY  - 1951///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - ZOOLOGY
ER  -